Former president Bill Clinton spoke out in favor of letting states decide whether or not to legalize marijuana, pointing to "a lot of evidence" showing that medical marijuana can help patients with a wide range of symptoms.

Judging from recent history, any young person who aspires to be president should be aware that certain attributes seem to be critical. You have to be male. You have to have an Ivy League degree. You have to have been a governor or senator. And, don't forget, you have to have smoked marijuana.